ATI Radeon HD 5570 1GB DDR3 PCI Express (PCI-E) DVI/VGA Video Card w/HDMI & HDCP Support ATI Radeon HD 5570 1GB DDR3 PCI Express Video Card General Features: ATI Radeon HD 5570 graphics processing unti (GPU) 400 stream processing units 650 MHz GPU core clock 1 GB DDR3 memory 128-bit memory interface 9000 MHz memory clock PCI Express 2.1 support ATI Eyefinity technology with support for up to three displays ATI Stream technology